CN121663803A - Power line inspection device - Google Patents
Power line inspection deviceInfo
- Publication number
- CN121663803A CN121663803A CN202511862055.8A CN202511862055A CN121663803A CN 121663803 A CN121663803 A CN 121663803A CN 202511862055 A CN202511862055 A CN 202511862055A CN 121663803 A CN121663803 A CN 121663803A
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Abstract
本发明属于电力线路巡检技术领域，尤其涉及一种电力线路沿线巡检装置，包括巡检装置本体与设置在巡检装置本体两侧的行走机构，所述巡检装置本体中部固定设有带转向功能的伸缩机构，所述带转向功能的伸缩机构一端对称固定设有带翻转功能的线缆夹持机构，通过带转向功能的伸缩机构控制伸缩臂伸出后，再通过伸缩臂端部的线缆夹持机构对线缆进行夹持固定，然后启动翻转电机，通过翻转电机即可驱动巡检装置本体向前翻转完成避障，巡检装置本体向前翻转完成避障的同时配重组件在阻尼滑轨的作用下向下移动，当感应器感应到配重组件下移到最低处后，智能控制模块才会控制行走机构继续移动，可以有效降低装置重心，可以有效提高装置的巡检稳定性。
This invention belongs to the field of power line inspection technology, and particularly relates to a power line inspection device, including an inspection device body and a traveling mechanism disposed on both sides of the inspection device body. A telescopic mechanism with a steering function is fixedly provided in the middle of the inspection device body. A cable clamping mechanism with a flipping function is symmetrically fixed at one end of the telescopic mechanism with the steering function. After the telescopic arm is extended by controlling the telescopic arm with the steering function, the cable is clamped and fixed by the cable clamping mechanism at the end of the telescopic arm. Then, the flipping motor is started, which drives the inspection device body to flip forward to avoid obstacles. While the inspection device body flips forward to avoid obstacles, the counterweight component moves downward under the action of the damping slide rail. When the sensor detects that the counterweight component has moved to the lowest point, the intelligent control module will control the traveling mechanism to continue moving. This can effectively lower the center of gravity of the device and effectively improve the inspection stability of the device.
Description
Technical Field
The invention belongs to the technical field of power line inspection, and particularly relates to a power line inspection device.
Background
The power line is a key infrastructure for energy transportation, the safe and stable operation of the power line is directly related to the power supply reliability and the social and economic development, the traditional manual inspection mode has the problems of low efficiency, high labor intensity, obvious environmental and climate restrictions and the like, particularly under complex terrain and severe weather conditions, inspection personnel face higher safety risks, all-weather and full-coverage fine monitoring is difficult to realize, and with the development of automation and intelligent technologies, equipment such as a line inspection robot, an unmanned aerial vehicle and the like is gradually applied to the field of electric inspection, so that the manual burden is lightened to a certain extent, and the inspection efficiency is improved. However, the existing automatic inspection device still has obvious limitations, when facing various obstacles or abnormal working conditions on a line, the existing device generally lacks autonomous analysis and self-adaptive coping capability, depends on preset programs or remote manual intervention, is difficult to realize intelligent obstacle surmounting and emergency decision making under complex scenes, limits the fully autonomous application of the existing obstacle surmounting mechanism, and has the defects of single mechanical action, lack of continuous and smooth obstacle surmounting strategy and gesture self-adaptive adjustment capability, and the problems of unstable center of gravity, poor adaptability of a travelling mechanism and the like of part of the device after obstacle surmounting, thus influencing the continuity and stability of the inspection process.
In order to solve the above problems, the present application provides a power line inspection device.
Disclosure of Invention
The invention provides a power line inspection device which can effectively solve the problems in the background technology.
The invention provides a technical scheme that the electric power line inspection device comprises an inspection device body and travelling mechanisms arranged on two sides of the inspection device body, wherein a telescopic mechanism with a steering function is fixedly arranged in the middle of the inspection device body, a cable clamping mechanism with a turning function is symmetrically and fixedly arranged at one end of the telescopic mechanism with the steering function, a real-time detection module is fixedly connected to the outer side of the cable clamping mechanism, a cleaning assembly with a gap is fixedly connected to one side of the real-time detection module through a bracket, a counterweight mechanism with an induction function is symmetrically arranged on the inspection device body, and the electric power line inspection device further comprises an intelligent analysis module, an intelligent control module and a communication module, wherein the intelligent analysis module is matched with the intelligent control module and is used for automatically switching among a normal inspection mode, a obstacle crossing mode and an emergency mode in a seamless manner according to the actual state of a line;
the telescopic machanism includes M shape frame and driving motor, first spout and second spout have been seted up respectively to M shape frame inner chamber both sides, V-arrangement upset groove has been seted up at the second spout middle part, driving motor output shaft end is connected with the movable block through the lead screw, movable block one side fixedly is equipped with the connection plate, connection plate top one side is connected with the flexible arm through the pivot rotation, flexible arm end opposite side is fixed to be equipped with V-arrangement upset groove assorted upset post.
Preferably, the top of the moving block is in sliding connection with the M-shaped frame through a sliding component.
Preferably, the rotating shaft connected between the connecting plate and the telescopic arm penetrates through the first sliding groove, and the rotating shaft and the overturning column are arranged in a left-right staggered manner by a certain distance.
Preferably, the running gear is including fixed the setting at the inside first electric putter of inspection device body with offer the accomodate notch in the inspection device body outside, first electric putter tip fixedly connected with takes self-locking function's first motor, first motor output shaft tip fixedly connected with walking wheel.
Preferably, the cable clamping mechanism comprises a second electric push rod, one end of the second electric push rod is connected with a telescopic arm through a turnover motor with a self-locking function, the other end of the second electric push rod is fixedly provided with a mounting frame, one side of the mounting frame is fixedly connected with a rectangular shell through a bracket, one side of the rectangular shell is fixedly provided with a second motor with the self-locking function, the end part of an output shaft of the second motor is fixedly connected with a driving gear, two sides of the driving gear are respectively connected with an upper clamping arm and a lower clamping arm in a meshed manner, and cable clamping pieces are fixedly arranged at the end parts of the upper clamping arm and the lower clamping arm.
Preferably, the upper clamping arm and the lower clamping arm are arranged in the rectangular shell in a sliding and penetrating manner.
Preferably, the real-time detection module comprises an L-shaped connecting piece and a detection unit, an outer annular piece with a notch and a third motor are fixedly arranged on the L-shaped connecting piece, a transmission gear is fixedly connected to the end part of an output shaft of the third motor, two groups of driven gears are connected to one side of the transmission gear in a meshed mode, an annular toothed plate with the notch is connected to the inner side of the outer annular piece in a rotating mode through a collecting ring with the notch, and the annular toothed plate is connected with the driven gears in a meshed mode.
Preferably, the detection unit is electrically connected with the intelligent analysis module and the intelligent control module by adopting a multi-sensor fusion system, and comprises a high-definition visible light camera, an infrared thermal imager, an ultrasonic sensor and a partial discharge sensor, wherein the visible light camera, the infrared thermal imager, the ultrasonic sensor and the partial discharge sensor are all arranged on the inner side of the annular toothed plate, the high-definition visible light camera is used for shooting visible light images of a circuit and auxiliary facilities, the infrared thermal imager is used for detecting abnormal temperature rise of a circuit joint, an insulator and other parts, the ultrasonic sensor is used for closely detecting micro cracks or corrosion on the surface of the circuit, and the partial discharge sensor is used for detecting partial discharge signals on the circuit.
Preferably, the detection unit further comprises a laser radar, the laser radar is fixedly arranged at one end of the telescopic arm, the laser radar is used for acquiring three-dimensional point cloud data of a line and surrounding environments thereof, and accurately measuring the distance between the line and the ground and the distance between the line and the tree and identifying large foreign matters.
Preferably, the counterweight mechanism comprises a positioning rack fixedly arranged on the inspection device body, a counterweight component is connected in the positioning rack through a damping sliding rail, and an inductor is fixedly arranged at the end part of the positioning rack and is electrically connected with the intelligent control module.
Compared with the prior art, the invention has the beneficial effects that:
1. The built-in intelligent analysis module can lead the inspection device to have autonomous analysis and judgment capability, can realize the crossing from passive execution to active perception decision, lead the intelligent analysis module to be matched with the intelligent control module to automatically and seamlessly switch among a normal inspection mode, a obstacle surmounting mode and an emergency mode according to the actual state of a line, can realize high intellectualization and self-adaption of the inspection process, can effectively improve the inspection efficiency and the inspection quality, can analyze and process the abnormal data detected by the detection unit through the intelligent analysis module, when the abnormal data are line connectors and slight foreign matters do not affect normal use of the cable, the intelligent control module does not send position signals of the obstacle points and the obstacle types to the system terminal through the communication module and does not mark the obstacle points, and when the obstacle types are insulator breakage, abnormal temperature rise and partial discharge, the intelligent analysis module controls the communication module to send the position signals of the obstacle points and the obstacle types to the system terminal through the intelligent control module, so that the obstacle points can be automatically marked, and the subsequent processing of fault points is facilitated;
2. After the telescopic boom is controlled to stretch out through the telescopic mechanism with the steering function, the cable clamping mechanism at the end part of the telescopic boom clamps and fixes the cable, then the overturning motor is started, the inspection device body can be driven to overturn forwards through the overturning motor to finish obstacle avoidance, the counterweight component moves downwards under the action of the damping sliding rail when the inspection device body overturns forwards to finish obstacle avoidance, and after the inductor senses that the counterweight component moves downwards to the lowest position, the intelligent control module can control the running mechanism to move continuously, so that the gravity center of the device can be effectively reduced, and the inspection stability of the device can be effectively improved.
3. Through setting up the telescopic machanism that turns to the function in area, the telescopic machanism that turns to the function not only can control flexible arm and stretch out, can control flexible arm rotation switching direction at the in-process that control flexible arm stretched out moreover, be convenient for patrol and examine the direction of switching flexible arm behind the device body upset obstacle crossing for flexible arm can be located in patrol and examine device body the place ahead all the time, can be always for the preparation of next upset, and the obstacle is kept away in completion through the upset moreover, can avoid patrol and examine the device and further cause the destruction to the cable when passing through the fault point of the damaged department of insulator.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a schematic diagram of the overall structure of a power line inspection device according to the present invention;
FIG. 2 is an enlarged schematic view of the structure of the invention at A in FIG. 1;
FIG. 3 is a cross-sectional view of an inspection device along a power line in accordance with the present invention;
FIG. 4 is an enlarged schematic view of the structure of the present invention at B in FIG. 3;
FIG. 5 is a first cross-sectional block diagram of the telescoping mechanism of the present invention;
FIG. 6 is a second cross-sectional block diagram of the telescoping mechanism of the present invention;
FIG. 7 is a diagram showing the connection between the cable clamping mechanism and the real-time detection module according to the present invention;
FIG. 8 is a cross-sectional block diagram of the cable clamping mechanism of the present invention;
FIG. 9 is a block diagram of a real-time detection module according to the present invention;
Fig. 10 is a schematic diagram of a circuit layout in the present invention.
In the figure:
1. a patrol device body;
2. the device comprises a travelling mechanism, a first electric push rod, a 202 accommodating notch, a 203, a first motor, a 204 and travelling wheels, wherein the first electric push rod is arranged on the chassis;
3. the device comprises a telescopic mechanism, a M-shaped rack, a driving motor, a first chute, a second chute, a V-shaped overturning chute, a 306, a screw rod, a 307, a moving block, a 308, a connecting plate, 309, a telescopic arm, 310 and an overturning column, wherein the telescopic mechanism comprises a first chute, a second chute, a V-shaped overturning chute, a guide rail, a moving block, a connecting plate, a telescopic arm and a overturning column;
4. the cable clamping mechanism comprises 401, a mounting frame, 402, a rectangular shell, 403, a second motor, 404, a driving gear, 405, an upper clamping arm, 406, a lower clamping arm, 407, a cable clamping piece, 408, a second electric push rod, 409 and a turnover motor;
5. The device comprises a real-time detection module, an L-shaped connecting piece, a 502, a third motor, a 503, an outer annular piece, a 504, a transmission gear, a 505, a driven gear, a 506, a collecting ring, a 507 and an annular toothed plate, wherein the real-time detection module is arranged on the outer annular piece;
6. A cleaning assembly;
7. A counterweight mechanism 701, a positioning frame 702, a counterweight assembly 703 and an inductor.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
1-10, An electric power line inspection device comprises an inspection device body 1 and travelling mechanisms 2 arranged on two sides of the inspection device body 1, wherein a telescopic mechanism 3 with a steering function is fixedly arranged in the middle of the inspection device body 1, a cable clamping mechanism 4 with a turning function is symmetrically and fixedly arranged at one end of the telescopic mechanism 3 with the steering function, a real-time detection module 5 is fixedly connected to the outer side of the cable clamping mechanism 4, one side of the real-time detection module 5 is fixedly connected with a cleaning component 6 with a notch through a bracket, counterweight mechanisms 7 with an induction function are symmetrically arranged on the inspection device body 1, and the electric power line inspection device further comprises an intelligent analysis module, an intelligent control module and a communication module, wherein the intelligent analysis module is matched with the intelligent control module and is used for automatically switching among a normal inspection mode, a barrier crossing mode and an emergency mode in a seamless manner according to the actual state of a line;
The telescopic mechanism 3 comprises an M-shaped rack 301 and a driving motor 302, a first chute 303 and a second chute 304 are respectively formed in two sides of an inner cavity of the M-shaped rack 301, a V-shaped overturning groove 305 is formed in the middle of the second chute 304, an output shaft end of the driving motor 302 is connected with a moving block 307 through a screw rod 306, one side of the moving block 307 is fixedly provided with a connecting plate 308, one side of the top end of the connecting plate 308 is rotatably connected with a telescopic arm 309 through a rotating shaft, the other side of the end of the telescopic arm 309 is fixedly provided with an overturning column 310 matched with the V-shaped overturning groove 305, when the screw rod 306 is driven to rotate forward and backward through the driving motor 302, the moving block 307 can be driven to move left and right, the telescopic arm 309 can be driven to move left and right to stretch, and when the overturning column 310 moves to the V-shaped overturning groove 305 along with the telescopic arm 309, the overturning column 310 can be driven to rotate 180 degrees to finish steering.
According to the intelligent inspection device, the built-in intelligent analysis module can enable the inspection device to have autonomous analysis and judgment capability, the spanning from passive execution to active perception decision can be achieved, the intelligent analysis module can be matched with the intelligent control module to automatically and seamlessly switch among a normal inspection mode, an obstacle surmounting mode and an emergency mode according to the actual state of a line, high intelligence and self-adaption of the inspection process can be achieved, and inspection efficiency and inspection quality can be effectively improved.
Further, the method comprises the following steps:
In an alternative embodiment, the top of the moving block 307 is slidably coupled to the M-shaped housing 301 by a sliding assembly.
In an alternative embodiment, the rotating shaft connected between the connecting plate 308 and the telescopic arm 309 is disposed in the first chute 303, and the rotating shaft is disposed with a certain distance from the turning post 310.
In this embodiment, the rotating shaft and the turning column 310 are staggered left and right by a certain distance, so that when the turning column 310 moves to the V-shaped turning groove 305 along with the telescopic arm 309, the turning column 310 cooperates with the V-shaped turning groove 305 to drive the telescopic arm 309 to rotate 180 degrees around the rotating shaft as a center of a circle, thereby completing steering.
In an alternative embodiment, the travelling mechanism 2 includes a first electric push rod 201 fixedly disposed inside the inspection device body 1 and a storage notch 202 formed on the outer side of the inspection device body 1, the end portion of the first electric push rod 201 is fixedly connected with a first motor 203 with a self-locking function, and the end portion of an output shaft of the first motor 203 is fixedly connected with a travelling wheel 204.
In the embodiment, the position of the travelling wheels 204 can be adjusted through the first electric push rod 201, and then the distance between the travelling wheels 204 can be adjusted, so that the travelling wheels 204 can travel on two cables with different arrangement distances, and different use requirements can be met.
In an alternative embodiment, the cable clamping mechanism 4 includes a second electric push rod 408, one end of the second electric push rod 408 is connected with a telescopic arm 309 through a turnover motor 409 with a self-locking function, the other end of the second electric push rod 408 is fixedly provided with a mounting frame 401, one side of the mounting frame 401 is fixedly connected with a rectangular shell 402 through a bracket, one side of the rectangular shell 402 is fixedly provided with a second motor 403 with a self-locking function, an output shaft end of the second motor 403 is fixedly connected with a driving gear 404, two sides of the driving gear 404 are respectively connected with an upper clamping arm 405 and a lower clamping arm 406 in a meshed manner, and cable clamping members 407 are respectively fixedly arranged at the ends of the upper clamping arm 405 and the lower clamping arm 406.
The upper clamping arm 405 and the lower clamping arm 406 are slidably inserted into the rectangular housing 402.
In this embodiment, the length of the cable clamping mechanism 4 can be adjusted through the second electric push rod 408, different clamping requirements can be met, after the position of the cable clamping member 407 is telescopically adjusted through controlling the second electric push rod 408, the second motor 403 is started, the second motor 403 can drive the upper clamping arm 405 and the lower clamping arm 406 to move relatively or deviate from each other through the driving gear 404, the upper clamping arm 405 and the lower clamping arm 406 can be controlled to open and close when moving relatively or deviate from each other, the cable clamping member 407 can be clamped through controlling the upper and lower cable clamping members 407 to close, after clamping is finished, the overturning motor 409 is started, the inspection device body 1 can be driven to overturn forwards through the overturning motor 409, after the obstacle avoidance is finished, the upper and lower cable clamping members 407 are controlled to separate and loosen to clamp, then the second electric push rod 408 is controlled to shrink and eliminate the obstacle avoidance of the cable clamping mechanism 4, finally, the telescopic arm 309 is controlled to shrink through the telescopic mechanism 3 with a steering function, and the telescopic arm 309 is controlled to rotate and switch directions in the telescopic arm 309 in the shrinking process, and the telescopic arm 309 is controlled to be positioned in front of the inspection device again.
It should be noted that, in the process of controlling the second electric push rod 408 to shrink and eliminate the shielding of the cable by the cable clamping mechanism 4, the positions of the real-time detection module 5 and the cleaning assembly 6 need to be controlled, so that the opening on the real-time detection module 5 is located at one side of the cable, the shielding of the cable cannot be caused, and similarly, when the second electric push rod 408 is controlled to extend to the cable clamping member 407, the real-time detection module 5 and the cleaning assembly 6 to reset after the rotating and switching direction reset of the telescopic arm 309 is completed, the positions of the real-time detection module 5 and the cleaning assembly 6 need to be controlled, so that the opening on the real-time detection module 5 is located at one side of the cable.
Still further, the method comprises:
In an alternative embodiment, the real-time detection module 5 includes an L-shaped connecting piece 501 and a detection unit, an outer ring piece 503 with a notch and a third motor 502 are fixedly arranged on the L-shaped connecting piece 501, an output shaft end of the third motor 502 is fixedly connected with a transmission gear 504, one side of the transmission gear 504 is in meshed connection with two groups of driven gears 505, an inner side of the outer ring piece 503 is rotatably connected with an annular toothed plate 507 with a notch through a collecting ring 506 with a notch, and the annular toothed plate 507 is in meshed connection with the driven gears 505.
In this embodiment, the third motor 502 can drive the driven gear 505 to rotate through the transmission gear 504, and the driven gear 505 can drive the annular toothed plate 507 to rotate when rotating, so that the detection unit installed on the annular toothed plate 507 can rotate around the cable, and the cable can be detected in all directions.
In an alternative embodiment, the detection unit is electrically connected with the intelligent analysis module and the intelligent control module by adopting a multi-sensor fusion system, the detection unit comprises a high-definition visible light camera, an infrared thermal imager, an ultrasonic sensor and a local discharge sensor, the visible light camera, the infrared thermal imager, the ultrasonic sensor and the local discharge sensor are all arranged on the inner side of the annular toothed plate 507, the high-definition visible light camera is used for shooting visible light images of a circuit and auxiliary facilities, the infrared thermal imager is used for detecting abnormal temperature rise of a circuit joint, an insulator and other parts, the ultrasonic sensor is used for detecting micro cracks or corrosion on the surface of the circuit in a short distance, and the local discharge sensor is used for detecting local discharge signals on the circuit.
In an alternative embodiment, the detection unit further includes a laser radar, and the laser radar is fixedly installed at one end of the telescopic arm 309, and the laser radar is used for acquiring three-dimensional point cloud data of the line and its surrounding environment, accurately measuring the distance between the line and the ground, and the distance between the line and the tree, and identifying large foreign objects.
In an alternative embodiment, the counterweight mechanism 7 comprises a positioning frame 701 fixedly arranged on the inspection device body 1, a counterweight assembly 702 is connected in the positioning frame 701 through a damping sliding rail, an inductor 703 is fixedly arranged at the end part of the positioning frame 701, and the inductor 703 is electrically connected with the intelligent control module.
In the embodiment, the inspection device body 1 turns forward to finish obstacle avoidance and the counterweight assembly 702 moves downwards under the action of the damping slide rail, and when the inductor 703 senses that the counterweight assembly 702 moves downwards to the lowest position, the intelligent control module controls the travelling mechanism 2 to move continuously, so that the gravity center of the device can be effectively lowered, and the inspection stability of the device can be effectively improved.
The control method of the invention comprises the following steps:
s1, performing self-inspection after starting an inspection device, and loading preset inspection parameters;
s2, after the self-checking is finished, the intelligent control module controls the inspection device to enter a normal inspection mode, the inspection device moves along a line at a certain speed, and a detection unit continuously collects line state and front environment data in the moving process;
S3, the intelligent analysis module processes the collected data in real time to judge the fault type, decides whether to mark, and if so, controls the communication module to send the position signal of the obstacle point and the obstacle type to the system terminal through the intelligent control module;
S4, when the detection unit recognizes that an obstacle exists on the line or the cable surface is damaged, the intelligent control module automatically starts an obstacle surmounting mode;
S5, when the detection unit detects that the extreme conditions such as broken lines and severe ice coating are caused, the intelligent control module automatically starts an emergency mode, automatically controls the running mechanism 2 to lock, and sends out the highest-level alarm to wait for manual rescue or return of the original road.
The intelligent control module does not send a position signal of an obstacle point and an obstacle type to a system terminal through the communication module when the abnormal data is a line joint and slight foreign matters do not influence normal use of the cable, and does not mark the obstacle point, and can automatically mark the obstacle point through the intelligent control module when the obstacle type is insulator breakage, abnormal temperature rise and partial discharge, and the intelligent analysis module controls the communication module to send the position signal of the obstacle point and the obstacle type to the system terminal;
When the driving motor 302 drives the screw rod 306 to rotate forward and backward, the moving block 307 can be driven to move left and right, the moving block 307 can drive the telescopic arm 309 to move left and right to stretch and retract when moving to the V-shaped overturning groove 305 along with the telescopic arm 309, when the overturning column 310 is matched with the V-shaped overturning groove 305 to drive the telescopic arm 309 to rotate 180 degrees to finish steering, the telescopic arm 309 can be always positioned in front of the inspection device body 1 and can prepare for the next overturning, after the telescopic arm 309 is controlled to extend out, the cable clamping mechanism 4 at the end part of the telescopic arm 309 clamps and fixes the cable, then the overturning motor 409 is started, the inspection device body 1 can be driven to overturn forward to finish obstacle avoidance through the overturning motor 409, the counterweight assembly 702 moves downwards under the action of a damping slide rail when the inductor 703 senses the counterweight assembly 702 to move downwards to the lowest position, and the intelligent control module can control the travelling mechanism 2 to continue moving.
It should be noted that the above-mentioned embodiments are merely preferred embodiments of the present invention, and the present invention is not limited thereto, but may be modified or substituted for some of the technical features thereof by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202511862055.8A CN121663803A (en) | 2025-12-11 | 2025-12-11 | Power line inspection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202511862055.8A CN121663803A (en) | 2025-12-11 | 2025-12-11 | Power line inspection device |
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| Publication Number | Publication Date |
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| CN121663803A true CN121663803A (en) | 2026-03-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202511862055.8A Pending CN121663803A (en) | 2025-12-11 | 2025-12-11 | Power line inspection device |
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| CN (1) | CN121663803A (en) |
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